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Satellite view of Prevost Harbor

Prevost Harbor

Bay

Cold water — serious cold-shock risk today

Cold water

Cold water — serious cold-shock risk today: water temperature is 55°F, cold enough to cause cold-water shock on sudden immersion.

  • Water temperature is 55°F, cold enough to cause cold-water shock on sudden immersion.
  • Heavy rain today can raise bacteria levels near outfalls and river mouths.
Cold waterGood conditions todaycamping-nearby

bay in San Juan County, Washington, United States of America

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Cold water — serious cold-shock risk today

Cold water

Cold water — serious cold-shock risk today: water temperature is 55°F, cold enough to cause cold-water shock on sudden immersion.

  • Water temperature is 55°F, cold enough to cause cold-water shock on sudden immersion. NOAA buoy 46088, as of Aug 24, 2:00 AM UTC
  • Heavy rain today can raise bacteria levels near outfalls and river mouths.
Water temp
55°F
13°C

No official beach-advisory feed for Washington yet — follow posted signs and local guidance.

Live data from NOAA buoy 46088 (23.9 mi away), as of Aug 24, 2:00 AM UTC.

Weather at Prevost Harbor

H: 71° L: 59°
Sunny
Sunny
68°
|
Feels like 69°
Precipitation
77%
Humidity
76%
Wind
3 mph
UV Index
0.2
Water Conditions:
🏊Cool but swimmable
12 AM
Clear
63°
3 AM
Moderate rain
61°
6 AM
Patchy rain nearby
59°
9 AM
Patchy rain nearby
64°
12 PM
Sunny
68°
3 PM
Sunny
70°
6 PM
Sunny
70°
9 PM
Clear
61°

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Frequently asked questions

Where is Prevost Harbor?
Prevost Harbor is a bay in Washington.
What is the water temperature at Prevost Harbor?
As of August 24, 2026, the water temperature at Prevost Harbor in Washington is 55°F (13°C), measured by NOAA buoy 46088, 23.9 miles away.
Can you swim at Prevost Harbor?
Cold water — serious cold-shock risk today: water temperature is 55°F, cold enough to cause cold-water shock on sudden immersion. Checked August 24, 2026.
What amenities does Prevost Harbor have?
Visitor-listed amenities at Prevost Harbor include camping-nearby.

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Best Times to Visit

👍
Right Now
Good conditions for visiting
General Tips:
  • Weekday mornings (8–10 AM) are typically less crowded
  • Check the forecast 2–3 days ahead for best planning
  • Avoid holiday weekends for a quieter experience
Best Seasons:
☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

Washington

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Amenities

Camping nearby